The Preliminary Flood Risk Assessment

The Preliminary Flood Risk Assessment (PFRA) is a Lead Local Flood Authority (LLFA) duty under the Flood Risk Regulations 2009 (Section 2). It is used to gain a high level overview on the risk of flooding and to record historic flood events in Surrey.

Areas affected by flood risk and local historic flooding evidence are used to define flood risk areas. The LLFA duties, over a 6 year cycle, is to produce: